You my book your overnight stays at the conference venue:

Estrel Hotel 
Sonnenallee 225
12057 Berlin

Reduced prices for conference participants
The IACM has booked a contingent of rooms under the code word "IACM".
Conference participants pay a reduced price. A single room is 138€ per night without breakfast instead of at least 155€. A double room is 150€ instead of at least 175€. This offer has been prolonged until 20 September 2019. Please use this link.

For reservation of accommodation in other hotels you may use the following service 

Hotels & Accommodation in Berlin
Please visit
The Official Website of Berlin